Re: [Xen-users] CentOS 5.x / 6.x Dom0

["Fajar A. Nugraha" <list@xxxxxxxxx>]

On Mon, Nov 21, 2011 at 4:23 PM, Alan Lam <alan@xxxxxxxxxxxxxx> wrote:
> I am using LV backed domUs in PV currently. I would like to maybe explore
> HVM in future though so I'd like that option to remain open.

only LV-vs-file matters. PV-vs-HVM shouldn't matter w.r.t. bkltap.

> So if I grab the F16 kernel, recompile the RPM under CentOS 6.x, this should
> be OK for dom0 use?

I needed to edit the SPEC a bit since some required packages is not
available, or only older version is available, on RHEL6

# diff -Naru kernel.fc16.spec kernel.spec
--- kernel.fc16.spec    2011-10-26 23:27:50.000000000 -0400
+++ kernel.spec 2011-11-02 04:57:48.279838912 -0400
@@ -455,7 +455,8 @@
 # First the general kernel 2.6 required versions as per
 # Documentation/Changes
 #
-%define kernel_dot_org_conflicts  ppp < 2.4.3-3, isdn4k-utils <
3.2-32, nfs-utils < 1.0.7-12, e2fsprogs < 1.37-4, util-linux < 2.12,
jfsutils < 1.1.7-2, reiserfs-utils < 3.6.19-2, xfsprogs < 2.6.13-4,
procps < 3.2.5-6.3, oprofile < 0.9.1-2, device-mapper-libs <
1.02.63-2, mdadm < 3.2.1-5
+#%define kernel_dot_org_conflicts  ppp < 2.4.3-3, isdn4k-utils <
3.2-32, nfs-utils < 1.0.7-12, e2fsprogs < 1.37-4, util-linux < 2.12,
jfsutils < 1.1.7-2, reiserfs-utils < 3.6.19-2, xfsprogs < 2.6.13-4,
procps < 3.2.5-6.3, oprofile < 0.9.1-2, device-mapper-libs <
1.02.63-2, mdadm < 3.2.1-5
+%define kernel_dot_org_conflicts  ppp < 2.4.3-3, isdn4k-utils <
3.2-32, nfs-utils < 1.0.7-12, e2fsprogs < 1.37-4, util-linux < 2.12,
jfsutils < 1.1.7-2, reiserfs-utils < 3.6.19-2, xfsprogs < 2.6.13-4,
procps < 3.2.5-6.3, oprofile < 0.9.1-2, mdadm < 3.2.1-5

 #
 # Then a series of requirements that are distribution specific, either
@@ -473,7 +474,8 @@
 # Packages that need to be installed before the kernel is, because the %%post
 # scripts use them.
 #
-%define kernel_prereq  fileutils, module-init-tools >= 3.16-2,
initscripts >= 8.11.1-1, grubby >= 8.3-1
+#%define kernel_prereq  fileutils, module-init-tools >= 3.16-2,
initscripts >= 8.11.1-1, grubby >= 8.3-1
+%define kernel_prereq  fileutils, module-init-tools, initscripts >=
8.11.1-1, grubby
 %define initrd_prereq  dracut >= 001-7

... and then build it with

rpmbuild -ba --without tools kernel.spec

>
>
>
> Were there any catches, ie. other utils eg. udev and the likes that needed
> to be updated before you could boot the F16 kernel?

You need to edit grub.conf manually. Other than that, it should work.

-- 
Fajar

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